body,div,dl,dt,dd,ol,ul,li,h1,h2,h3,h4,h5,h6,pre,form,fieldset,legend,input,textarea,button,p,blockquote,th,td{
    margin: 0;
    padding: 0;
}

body{
    background: #f1f1f1;
    text-align: center;font-family:Helvetica Neue,Helvetica,Arial,Microsoft Yahei,Hiragino Sans GB,Heiti SC,WenQuanYi Micro Hei,sans-serif;
}
ul,ol,li{
    list-style: none;
}
a{
    text-decoration: none;
    color: #333;
}
input,button,img{
    border: none;
    vertical-align: middle;
}